CD8A and gastric carcinoma: EBV-positive gastric carcinomas had higher incidences of tumoral PD-L1(+) and immune cell PD-L1(+), and larger numbers of CD8+, FOXP3+, and PD-1+ TILs than conventional gastric carcinomas (P < 0.05 for all comparisons) (Table 3 and Supplemental Fig. 3).